noun. A crippling disease that strikes college undergraduates in their 5th year of college. Symptoms include: laziness, an over-excessive wearing of track pants, old athletic shirts, sweatpants, athletic shorts, and sweatshirts. Also features a lack of studying, repeated absences, and a generally dismissive attitude. The only known cure is a phenomenon known as Graduation.

Professor: You have only been to class once in the past month.
Student: Yeaaa... I meant to email you and let you know that I camedown with a very bad case of Super Senioritis.